South Africa’s third largest gold miner, Harmony Gold, has been on the forefront of utilizing solar into its electricity mix.According to PV Insider, “The the company has started building a 5- to 7-megawatt solar park in Free State province, and another 18-MW facility in North West province, with the goal of alleviating pressure on peak energy usage.”The company is also working to use mine-impact land and tailings to pilot biocrop procreating in the form of giant king grass and sugar beet. By combining renewable with bioenergy and land rehabilitation, Harmony Gold will be able to use the biocrops as feedstock to generate nautral gas as a fossil fuel substitute.